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Open AccessReview

α-Cyclodextrin-Based Polypseudorotaxane Hydrogels

Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowskiej St., 41-819 Zabrze, Poland
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Materials 2020, 13(1), 133; https://doi.org/10.3390/ma13010133
Received: 10 December 2019 / Revised: 18 December 2019 / Accepted: 19 December 2019 / Published: 28 December 2019
Supramolecular hydrogels that are based on inclusion complexes between α-cyclodextrin and (co)polymers have gained significant attention over the last decade. They are formed via dynamic noncovalent bonds, such as host–guest interactions and hydrogen bonds, between various building blocks. In contrast to typical chemical crosslinking (covalent linkages), supramolecular crosslinking is a type of physical interaction that is characterized by great flexibility and it can be used with ease to create a variety of “smart” hydrogels. Supramolecular hydrogels based on the self-assembly of polypseudorotaxanes formed by a polymer chain “guest” and α-cyclodextrin “host” are promising materials for a wide range of applications. α-cyclodextrin-based polypseudorotaxane hydrogels are an attractive platform for engineering novel functional materials due to their excellent biocompatibility, thixotropic nature, and reversible and stimuli-responsiveness properties. The aim of this review is to provide an overview of the current progress in the chemistry and methods of designing and creating α-cyclodextrin-based supramolecular polypseudorotaxane hydrogels. In the described systems, the guests are (co)polymer chains with various architectures or polymeric nanoparticles. The potential applications of such supramolecular hydrogels are also described. View Full-Text
Keywords: supramolecular hydrogels; polypseudorotaxane; self-assembly; α-cyclodextrin supramolecular hydrogels; polypseudorotaxane; self-assembly; α-cyclodextrin
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Domiński, A.; Konieczny, T.; Kurcok, P. α-Cyclodextrin-Based Polypseudorotaxane Hydrogels. Materials 2020, 13, 133.

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